229 lines
6.2 KiB
C
229 lines
6.2 KiB
C
/* ngettext - retrieve plural form strings from message catalog and print them.
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Copyright (C) 1995-1997, 2000-2005 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <getopt.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <locale.h>
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#include <errno.h>
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#include "closeout.h"
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#include "error.h"
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#include "progname.h"
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#include "relocatable.h"
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#include "basename.h"
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#include "exit.h"
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#include "xsetenv.h"
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#define HAVE_SETLOCALE 1
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/* Make sure we use the included libintl, not the system's one. */
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#undef _LIBINTL_H
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#include "libgnuintl.h"
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#define _(str) gettext (str)
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/* Long options. */
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static const struct option long_options[] =
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{
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{ "domain", required_argument, NULL, 'd' },
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{ "env", required_argument, NULL, '=' },
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{ "help", no_argument, NULL, 'h' },
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{ "version", no_argument, NULL, 'V' },
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{ NULL, 0, NULL, 0 }
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};
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/* Forward declaration of local functions. */
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static void usage (int __status)
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#if defined __GNUC__ && ((__GNUC__ == 2 && __GNUC_MINOR__ >= 5) || __GNUC__ > 2)
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__attribute__ ((noreturn))
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#endif
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;
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int
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main (int argc, char *argv[])
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{
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int optchar;
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const char *msgid;
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const char *msgid_plural;
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const char *count;
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unsigned long n;
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/* Default values for command line options. */
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bool do_help = false;
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bool do_version = false;
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bool environ_changed = false;
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const char *domain = getenv ("TEXTDOMAIN");
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const char *domaindir = getenv ("TEXTDOMAINDIR");
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/* Set program name for message texts. */
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set_program_name (argv[0]);
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#ifdef HAVE_SETLOCALE
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/* Set locale via LC_ALL. */
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setlocale (LC_ALL, "");
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#endif
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/* Set the text message domain. */
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bindtextdomain (PACKAGE, relocate (LOCALEDIR));
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textdomain (PACKAGE);
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/* Ensure that write errors on stdout are detected. */
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atexit (close_stdout);
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/* Parse command line options. */
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while ((optchar = getopt_long (argc, argv, "+d:hV", long_options, NULL))
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!= EOF)
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switch (optchar)
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{
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case '\0': /* Long option. */
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break;
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case 'd':
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domain = optarg;
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break;
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case 'h':
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do_help = true;
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break;
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case 'V':
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do_version = true;
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break;
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case '=':
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{
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/* Undocumented option --env sets an environment variable. */
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char *separator = strchr (optarg, '=');
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if (separator != NULL)
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{
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*separator = '\0';
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xsetenv (optarg, separator + 1, 1);
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environ_changed = true;
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break;
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}
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}
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/*FALLTHROUGH*/
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default:
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usage (EXIT_FAILURE);
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}
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#ifdef HAVE_SETLOCALE
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if (environ_changed)
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/* Set locale again via LC_ALL. */
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setlocale (LC_ALL, "");
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#endif
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/* Version information is requested. */
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if (do_version)
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{
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printf ("%s (GNU %s) %s\n", basename (program_name), PACKAGE, VERSION);
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/* xgettext: no-wrap */
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printf (_("Copyright (C) %s Free Software Foundation, Inc.\n\
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This is free software; see the source for copying conditions. There is NO\n\
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
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"),
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"1995-1997, 2000-2005");
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printf (_("Written by %s.\n"), "Ulrich Drepper");
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exit (EXIT_SUCCESS);
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}
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/* Help is requested. */
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if (do_help)
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usage (EXIT_SUCCESS);
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/* More optional command line options. */
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if (argc - optind <= 2)
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error (EXIT_FAILURE, 0, _("missing arguments"));
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/* Now the mandatory command line options. */
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msgid = argv[optind++];
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msgid_plural = argv[optind++];
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/* If no domain name is given we print the original string.
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We mark this assigning NULL to domain. */
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if (domain == NULL || domain[0] == '\0')
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domain = NULL;
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else
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/* Bind domain to appropriate directory. */
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if (domaindir != NULL && domaindir[0] != '\0')
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bindtextdomain (domain, domaindir);
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/* To speed up the plural-2 test, we accept more than one COUNT in one
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call. */
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while (optind < argc)
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{
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count = argv[optind++];
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{
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char *endp;
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unsigned long tmp_val;
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errno = 0;
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tmp_val = strtoul (count, &endp, 10);
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if (errno == 0 && count[0] != '\0' && endp[0] == '\0')
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n = tmp_val;
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else
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/* When COUNT is not valid, use plural. */
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n = 99;
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}
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/* If no domain name is given we don't translate, and we use English
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plural form handling. */
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if (domain == NULL)
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fputs (n == 1 ? msgid : msgid_plural, stdout);
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else
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/* Write out the result. */
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fputs (dngettext (domain, msgid, msgid_plural, n), stdout);
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}
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exit (EXIT_SUCCESS);
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}
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/* Display usage information and exit. */
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static void
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usage (int status)
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{
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if (status != EXIT_SUCCESS)
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fprintf (stderr, _("Try `%s --help' for more information.\n"),
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program_name);
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else
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{
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/* xgettext: no-wrap */
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printf (_("\
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Usage: %s [OPTION] MSGID MSGID-PLURAL COUNT...\n\
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-d, --domain=TEXTDOMAIN retrieve translated message from TEXTDOMAIN\n\
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-h, --help display this help and exit\n\
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-V, --version display version information and exit\n\
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MSGID MSGID-PLURAL translate MSGID (singular) / MSGID-PLURAL (plural)\n\
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COUNT choose singular/plural form based on this value\n"),
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program_name);
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/* xgettext: no-wrap */
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printf (_("\
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\n\
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If the TEXTDOMAIN parameter is not given, the domain is determined from the\n\
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environment variable TEXTDOMAIN. If the message catalog is not found in the\n\
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regular directory, another location can be specified with the environment\n\
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variable TEXTDOMAINDIR.\n\
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Standard search directory: %s\n"), LOCALEDIR);
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fputs (_("Report bugs to <bug-gnu-gettext@gnu.org>.\n"), stdout);
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}
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exit (status);
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}
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